If your garage door won t close all the way the problem could be due to a blocked photo eye.
Nothing blocking garage door still wont close.
Something blocking the door.
The sensors may not be aligned properly.
It could be that they are just barely aligned but the vibration from closing causes them to intermittently break the beam.
The majority of garage doors manufactured since the early 1990s are equipped with this safety feature.
First check the sensor lights.
These obstructions can include anything like a garden tool a lawn chair or anything else in the way.
If there s something blocking the door from closing all the way a full close will be impossible.
Try the wall.
The photo eye components consist of two pieces that align face to face across each side of the garage door roughly four feet above the ground.
If something is blocking the safety beam then the garage door will not close.
What to do when your garage door won t close 1.
One or more of these reasons is likely responsible for your garage door closing partially but not all the way.
Could also try disconnecting the door from the chain should be a pull cord that allows this.
Depending on the brand.
Then try closing the door manually.
Though this problem should be obvious it shouldn t be overlooked.
Now if your garage door still won t go down after you ve made sure the sensors are properly aligned and there s no obstructions you ll want to take a damp cloth and wipe down the lenses of the sensors.